At the end of the world, far away from everything, a family lives peacefully on a cosy farm perched at the top of a hill.
But at the base of the hill, the frogs are very agitated. There is no longer any doubt: all predictions coincide, a huge flood is about to inundate the earth.
Faced with this catastrophe, the frogs agree to communicate - just this once - with human beings.
And so a great adventure begins in which animals and humans must learn to live together. It's easier said than done...